Picture hanging tool



FIG. 1 is a top, front and left side perspective view of a picture hanging tool, showing my new design;

FIG. 2 is a bottom, front and left side perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a rear elevational view thereof; and,

FIG. 8 is a front elevational view thereof.

The broken lines in the drawings illustrate the portions of the picture hanging tool, which form no part of the claimed design. 

CLAIM The ornamental design for a picture hanging tool, substantially as shown and described. 